How much does the earth weigh?
The Earth’s size and Weight are both hard to wrap your head around. And i
Where does the wind come from?
Have you ever felt a strong gust of wind and wondered what was behind it?
Why do leaves change color in the fall?
Green leaves are made mostly of chlorophyll. Chlorophyll gives trees the ability to use sunlight,
what is the largest desert on earth
The largest desert on earth isn’t exactly what people would think when they think of
how old is the earth
Earth has had a long and complicated history. People have tried to estimate Earth’s age
Where Do We Put All the Carbon?
The question of where to put all the carbon isn’t just about finding a physical
How Will We Feed a Growing Population?
The world population is projected to reach nearly 10 billion people by 2050. That’s a
How do scientists predict volcanic eruptions and earthquakes?
Predicting when and where a volcano will erupt or an earthquake will strike is one
what causes a tsunami
Tsunamis are one of nature’s most destructive forces, capable of wiping out coastal communities in
what caused the ice age
It’s easy to think of Earth’s climate as a stable, unchanging thing, but our planet